Zimene mudzaphunzira kuchokera m'nkhaniyi:ntchito ya silinda ya brake master ndi kusinthana kwa mphamvu × voliyumu pa SAE J1601, ma band 7 a GVWR okhala ndi mainchesi ofanana a bore kuyambira 3.5T mpaka 40T, zinthu 4 zomverera za pedal kupitirira mainchesi a bore zomwe zimatsimikiza chitonthozo ndi chitetezo cha dalaivala, zolakwika 5 zomwe OEM ya truck imapanga nthawi zonse poyesa silinda ya master, zofunikira 6 zosonyeza kukula kwa silinda ya master mu OEM, chisankho cha silinda ya master cha buku vs dual-circuit pa ECE R13-H §5.2.1, ndi mafunso 6 odziwika bwino okhudza kukula kwa silinda ya brake master. Ngati mukuwunikakusankha kwa diameter ya silinda ya brake masterPa mzere wa galimoto ya OEM mu 7T-40T GVWR, iyi ndi njira yodziwira kukula kwa galimoto.
Uthenga woyambirira wochokera ku gulu la mainjiniya la Shaoxing Fangjie:Chisankho cha kukula kwa silinda ya brake master ndi cholakwika chofala kwambiri chomwe timachiwona pakupanga magalimoto a OEM. Bore yocheperako imayambitsa kusatsatira malamulo a ECE R13-H komanso kubweza mwadzidzidzi; bore yochulukirapo imayambitsa madandaulo a madalaivala okhudza kumva kwa pedal yofewa komanso kugwedezeka kwa nthawi yayitali. Chisankhocho chiyenera kupangidwa malinga ndi gulu la GVWR, osati malinga ndi zomwe magalimoto amakonda kapena momwe mtengo wake umagwiritsidwira ntchito. Timapanga masilinda akuluakulu ku Shaoxing facility yathu yokhala ndi mainchesi a bore kuyambira 3/4″ mpaka 1-1/4″ omwe amaphimba magalimoto onse a GVWR, ndipo timagawana malangizo awa poyera chifukwa tikufuna makasitomala athu a OEM apange chisankho choyenera cha kukula koyamba - kuti asapeze cholakwikacho pa mayeso ovomerezeka. Chotsatira ndi chidziwitso cha uinjiniya chomwe timagawana ndi magulu a uinjiniya a OEM a magalimoto aku Turkey, India, Southeast Asia, ndi China akamafunsa kuti "ndikufunika mainchesi angati a bore pagalimoto yanga ya 7-ton / 12-ton / 18-ton / 26-ton?"
Gulu lathu lakhala likupereka zida zoyendetsera mabuleki a magalimoto kwa ogulitsa aku Europe, Southeast Asia, ndi Middle East kwa zaka zoposa 20 kuyambira 2003. Timagwira ntchito tsiku lililonse ndi antchito athu opitilira 100 komanso gulu lathu la anthu 10 ogulitsa kunja kuti tipange ma calipers a mabuleki, ma adjuster okhazikika, ma solenoid valve, ndi ma brake chambers. Kwa zaka 5 zapitazi, tapereka ma master cylinders ku mizere 12 ya ma truck OEM ku Turkey, India, Vietnam, ndi Middle East, ndipo chisankho cha kukula kwa ma master cylinder chakhala pempho lodziwika bwino laukadaulo kuchokera kwa makasitomala awa. Nkhaniyi ndi yochokera ku ma projekiti 12 a OEM.
1. Pamene Galimoto Yopepuka ya Turkey ya matani 7 ya OEM inalephera kutsatira malamulo a ECE R13-H pa Bore Yochepa
Mayeso ovomereza mtundu wa ECE R13-H ku UTAC France (omwe ndi bungwe la ku France lovomerezeka mtundu) adachitika mu Okutobala 2024. Mayesowa adaphatikizapo mayeso oyesera mphamvu ya mabuleki ozizira (ECE R13-H §5.2.2.5) pa kutentha kwa -10°C komanso mayeso oyesera mphamvu ya mabuleki otentha (ECE R13-H §5.2.2.6) pambuyo pa kuletsa kwa fade. Mayeso oletsa kuzizira adalephera: silinda yayikulu sinathe kuchotsa madzi okwanira a mabuleki kuti ayendetse ma cylinders onse anayi mkati mwa malire ofunikira a pedal stroke a 75% a maulendo apamwamba a pedal. Kupanikizika kwa mzere pa 75% ya kuyenda kwa pedal kunali 65 bar, komwe kuli pansi pa 80 bar yofunikira pa mayeso ozizira. Mayeso otentha adalephera chimodzimodzi: pambuyo pa kuletsa kwa fade, kutentha kwa madzi a mabuleki kudafika 120°C ndipo kuthamanga kwa mzere kudatsika kufika pa 55 bar chifukwa cha kuchepa kwa kukhuthala kwa madzi.
Choyambitsa chachikulu chinali bore laling'ono la 5/8″. Bore la 5/8″ limapereka malo a piston okwana 0.307 in² (198 mm²) okha, omwe pa 7,200 kg GVWR imapanga kusamuka kosakwanira kwa madzi pa pedal stroke. Bore la 7/8″ (lomwe ndi kukula koyenera kwa 7T-12T GVWR pa SAE J1601) limapereka malo a piston okwana 0.601 in² (388 mm²), lomwe ndi 96% yowonjezera malo a piston ndipo limatha kuchotsa madzi ochulukirapo ndi 96% pa pedal stroke. Gulu la mainjiniya la OEM silinasinthe kukula kwa bore pamene linawonjezera GVWR kuchokera ku 5T kufika pa 7T, poganiza kuti "galimoto yayikulu, dongosolo lomwelo la mabuleki" lingagwire ntchito. Lingaliro linali lolakwika.
Kukonzanso kunali: (1) kusintha silinda ya 5/8″ bore master ndi silinda ya 7/8″ bore master (Shaoxing Fangjie adapereka mayunitsi 500 a masilinda a 7/8″ bore master mkati mwa masabata 4), (2) kusintha chikalata cha OEM's master silinda kuti chigwiritsidwe ntchito pa SAE J1601 posankha kukula kwa bore diameter pa GVWR band, (3) kutumizanso mayeso ovomerezeka a ECE R13-H ndi silinda yatsopano ya master, yomwe idaperekedwa mu Januwale 2025. Mtengo wonse wokonzanso unali pafupifupi EUR 28,000 kuphatikiza kusintha silinda ya master, ndalama zoyesereranso, ndi kuchedwa kwa polojekiti kwa miyezi itatu. Phunziro, m'mawu a mainjiniya wamkulu wa OEM waku Turkey: "sitidzaganizanso kuti 'galimoto yayikulu, dongosolo lomwelo la mabuleki'. Kukula kwa bore kuyenera kukhala kofanana ndi gulu la GVWR, ndipo malangizo a SAE J1601 ndi omwe akuyenera kutsatiridwa mu uinjiniya."
Chifukwa chomwe gulu lathu likugawana nkhaniyi ndichakuti cholakwika cha OEM yaku Turkey sichinthu chapadera. Tikuwona izi zikubwerezabwereza pakupanga magalimoto a OEM padziko lonse lapansi - dayamita ya bore imasankhidwa kutengera mtundu wakale osati GVWR yomwe ilipo, ndipo bore yaying'ono imalephera mayeso ovomerezeka. Ma band 7 a GVWR, matrix yosankha dayamita ya bore, ndi zofunikira 6 za tender zafotokozedwa mwatsatanetsatane pansipa kuti zithandize magulu opanga mainjiniya a OEM kupewa cholakwikachi.
2. Ntchito ya Brake Master Cylinder: Kusinthasintha kwa Kupanikizika × Volume Pa SAE J1601
Silinda yayikulu ya brake ndi jenereta ya hydraulic pressure yomwe imasintha mphamvu ya makina kuchokera ku pedal ya brake (yothandizidwa ndi vacuum booster) kukhala hydraulic pressure yomwe imayambitsa ma cylinders a magudumu kapena ma calipers. Muyezo wa SAE J1601 (Master Cylinder — Vehicular Hydraulic Brake System) umatchula zofunikira pakukula, magwiridwe antchito, komanso kulimba kwa ma cylinders akuluakulu omwe amagwiritsidwa ntchito mu machitidwe a hydraulic brake a magalimoto.
Ntchito ya silinda yayikulu imayendetsedwa ndi mfundo zitatu zazikulu: (1) Kugwirizana kwa kuthamanga - kuthamanga komwe kumapangidwa ndi silinda yayikulu kumafanana ndi mphamvu ya pedal yogawidwa ndi malo a piston, kuchulukitsidwa ndi chiŵerengero cha booster ndi chiŵerengero cha pedal, (2) Kusamuka kwa voliyumu - kuchuluka kwa madzi a brake omwe amachotsedwa ndi silinda yayikulu pa pedal stroke kumafanana ndi malo a piston nthawi yomwe piston stroke imadutsa, (3) Lamulo la Pascal - kuthamanga komwe kumapangidwa pa silinda yayikulu kumafanana ndi kuthamanga kwa magudumu a mawilo (poganiza kuti palibe kutayika kwa kuthamanga m'mizere ya mabuleki), kupatula kutayika pang'ono kwa kuthamanga chifukwa cha kukangana kwa mzere ndi zoletsa zoyikira (nthawi zambiri kutayika kwa kuthamanga kwa 2-5%).
Kusinthana kwa mphamvu × voliyumu ndiye chisankho chachikulu cha uinjiniya: (1) Kukula kwa m'mimba mwake = malo ambiri a pistoni = kusuntha kwamadzimadzi ambiri pa kugwedezeka kwa pedal = kugwedezeka kochepa kwa pedal komwe kumafunika kuti pistoni iyende mofanana, (2) Kukula kwa m'mimba mwake komanso = malo ambiri a pistoni = kupanikizika kochepa komwe kumapangidwa pa mphamvu ya pedal = kumva kofewa kwa pedal ndi mphamvu yayikulu yofunikira. Zotsatira ziwirizi zimagwira ntchito mosiyana: mphamvu ya voliyumu imakonda bore yayikulu, koma mphamvu ya kupanikizika imakonda bore yaying'ono. Bore yabwino kwambiri ndi yomwe imalinganiza zotsatira zonse ziwiri za GVWR yeniyeni, chiŵerengero cha pedal, ndi chiŵerengero cha booster.
Ubale wa masamu ndi: Mphamvu ya Pedal × Chiŵerengero cha Pedal × Chiŵerengero cha Booster = Kupanikizika kwa Mzere × Malo a Piston × Kuchuluka kwa Silinda ya Wheel / Kugwira Ntchito Moyenera kwa Booster. Pa dongosolo la mabuleki a galimoto yonyamula katundu yokhala ndi chilimbikitso cha mainchesi 7 (chiŵerengero cha chilimbikitso 4:1), chiŵerengero cha pedal 4:1, ndi masilinda anayi a mawilo (kapena ma piston anayi a caliper), ubalewu umathandiza kuti: Mphamvu ya Pedal × 16 = Kupanikizika kwa Mzere × Malo a Piston. Pa mphamvu ya pedal ya 250 N (mphamvu ya mwendo wa woyendetsa kuti agwire bwino ntchito) ndi kupanikizika kwa mzere wa 80 bar (1,160 psi), dera lofunikira la piston ndi: 250 N × 16 / 80 bar = 50 mm² pa gudumu lililonse, kapena 200 mm² yonse pa mawilo anayi. M'mimba mwake wofanana ndi wa bore ndi sqrt (200 mm² / π × 4) ≈ 16 mm, yomwe ndi yaying'ono kwambiri. Chofunikira kukonza ndichakuti silinda/caliper iliyonse ya gudumu nthawi zambiri imakhala ndi ma pistoni awiri (kapena pisitoni imodzi yayikulu), kotero kuwerengera kuyenera kuwerengera kuchuluka kwa silinda ya gudumu. Kuwerengera kolondola kumapereka kusiyana kwa 7/8″ mpaka 1-1/4″ kwa 7T-40T GVWR range. Kusankha kolondola kwa bere pa GVWR iliyonse kwaperekedwa mu matrix ya chisankho cha 7-band pansipa.
3. Bore Diameter Decision Matrix: Ma GVWR Bands 7 kuyambira 3.5T mpaka 40T
| # | Gulu la GVWR | Chidutswa cha Bore (inchi / mm) —pa SAE J1601 | Malo a Pistoni | Mtundu Wagalimoto Wamba |
|---|---|---|---|---|
| 1 | 3.5T-7.5T | 3/4″ (19.05 mm) | 0.442 in² (285 mm²) | Magalimoto opepuka, maveni ang'onoang'ono, magalimoto opepuka amalonda |
| 2 | 7.5T-12T | 7/8″ (22.2 mm) | 0.601 in² (388 mm²) | Magalimoto akuluakulu (Isuzu NPR, Hyundai Mighty, Fuso Canter) |
| 3 | 12T-18T | 1″ (25.4 mm) | 0.785 in² (507 mm²) | Magalimoto akuluakulu (kugawa kwapakati) |
| 4 | 18T-26T | 1-1/8″ (28.6 mm) | 0.994 mu² (641 mm²) | Magalimoto akuluakulu (zonyamula katundu m'madera osiyanasiyana, zomangamanga) |
| 5 | 26T-40T | 1-1/4″ (31.75 mm) | 1.227 in² (792 mm²) | Magalimoto akuluakulu (oyenda mtunda wautali, migodi) |
| 6 | 40T-60T | 1-3/8″ (34.9 mm) | 1.485 in² (958 mm²) | Magalimoto akuluakulu + mathirakitala (B-double, sitima yapamsewu) |
| 7 | 60T+ | 1-1/2″ (38.1 mm) kapena kuposerapo | 1.767 in² (1140 mm²) | Magalimoto onyamula katundu wolemera kwambiri, ogwirira ntchito zamigodi |
Ma band 7 a GVWR akugwirizana ndi magulu a magalimoto omwe amapezeka m'misika yamagalimoto aku Europe, North America, ndi Asia. Kusankha kwa bore diameter mkati mwa band iliyonse kumadalira: (1) kusuntha kokwanira kwa madzi kuti mabuleki azizizira bwino pa ECE R13-H §5.2.2.5, (2) kuthamanga kokwanira kwa mzere kuti mabuleki azitentha bwino pa ECE R13-H §5.2.2.6 atasiya kutseka, (3) mphamvu ya pedal mkati mwa 200-350 N kuti mabuleki azikhazikika (chitonthozo cha woyendetsa), (4) kusuntha kwa pedal mkati mwa 75% ya malire apamwamba oyendera pedal pa ECE R13-H §5.2.1.5 (kutsatira). Zofunikira 4 ziyenera kukwaniritsidwa nthawi imodzi; bore diameter imasankhidwa kuti igwirizane ndi zofunikira zonse 4.
Pakupanga magalimoto a OEM, magulu odziwika bwino a GVWR ndi #2 (7.5T-12T) ndi #3 (12T-18T), omwe amagwirizana ndi magulu a magalimoto opepuka komanso apakatikati. Shaoxing Fangjie imapereka ma silinda a 7/8″ bore master (band #2) ndi ma silinda a 1″ bore master (band #3) ngati ma SKU awiri apamwamba kwambiri pamzere wathu wazinthu za silinda yayikulu. Silinda ya 1-1/8″ bore master (band #4) imaperekedwa kuti igwiritsidwe ntchito pa magalimoto onyamula katundu ndi zomangamanga, ndipo silinda ya 1-1/4″ bore master (band #5) imaperekedwa kuti igwiritsidwe ntchito paulendo wautali komanso migodi.
4. Zinthu 4 Zokhudza Kumva kwa PedalKupitirira M'mimba mwake
Kumva kwa pedal — momwe pedal ya brake imamvekera kwa dalaivala panthawi ya breki yachizolowezi komanso yadzidzidzi — kumatsimikiziridwa ndi zinthu zinayi kupitirira kukula kwa bore diameter. Kumva kwa pedal ndikofunikira kwambiri kuti dalaivala avomereze komanso kuti akhale otetezeka (kumva kofewa kwa pedal kungapangitse oyendetsa kupopa mabuleki mosafunikira, zomwe zimachepetsa mphamvu ya breki m'magalimoto ambiri okhala ndi ABS).
| # | Chida Chomverera cha Pedal | Malo ozungulira | Zotsatira pa Kumva kwa Pedal | Kufotokozera kwa OEM |
|---|---|---|---|---|
| 1 | Chiŵerengero cha pedal | 3:1 mpaka 6:1 | Chiŵerengero chapamwamba = mphamvu yochepa ya pedal koma kupondaponda kwakukulu kwa pedal | Kawirikawiri 4:1 pa ntchito zamagalimoto |
| 2 | Kukula kwa chilimbikitso | 7″ mpaka 11″ m'mimba mwake | Chilimbikitso chachikulu = chiŵerengero chowonjezera cha mphamvu = mphamvu yochepa ya pedal | 7-9″ ya magalimoto opepuka, 9-11″ ya magalimoto olemera |
| 3 | Utali wa pushrod | 50-150 mm | Pushrod yayitali = pali njira zambiri zoponderezera pedal | Yerekezerani ndi chiŵerengero cha pedal ndi booster stroke |
| 4 | Ngodya ya Pushrod | 0-15° | Ngodya yayikulu = mphamvu yochulukirapo yoyenda pansi yatayika chifukwa cha katundu wotsatira | Sungani pansi pa 5° kuti mumve bwino |
Zinthu zinayi zomverera za ma pedal zimagwirizana ndi m'mimba mwake kuti zidziwe momwe mabuleki amaonekera. Kuyanjana kwake ndi: (1) Chiŵerengero cha ma pedal ndi m'mimba mwake wa bore pamodzi zimazindikira ubale wa mphamvu ya pedal vs line pressure — chiŵerengero chapamwamba cha ma pedal chingathandize kuti bore yayikulu ikhalebe ndi mphamvu yomweyo ya pedal, koma pamtengo wa pedal stroke yayitali, (2) Kukula kwa chilimbikitso ndi m'mimba mwake wa bore pamodzi zimazindikira ubale wa chiŵerengero cha chilimbikitso vs piston — chilimbikitso chachikulu chingathandize kuti bore yayikulu ikhale yolimba, koma pamtengo wogwiritsa ntchito mpweya wowonjezera komanso kuyankhidwa pang'onopang'ono kwa chilimbikitso, (3) Kutalika kwa pushrod ndi m'mimba mwake pamodzi zimazindikira ubale wa pedal vs piston stroke — pushrod iyenera kukhala yayitali mokwanira kuti ilole kuti piston stroke yonse ya silinda ya master ichitike paulendo wonse wa pedal, (4) Ngodya ya pushrod imakhudza katundu wa m'mbali pa piston ya silinda ya master, zomwe zingayambitse kuwonongeka kwa chisindikizo msanga ngati ngodyayo ndi yayikulu kwambiri. Kuyanjana 4 kuyenera kulinganizidwa ndi mainjiniya wa OEM's brake system panthawi yolumikizira galimoto.
Cholakwika chachikulu cha OEM pazinthu zinayi ndi kusagwirizanitsa kukula kwa chilimbikitso ndi kukula kwa bore diameter. Chilimbikitso cha mainchesi 7 (chiŵerengero cha chilimbikitso 4:1) ndi choyenera ma silinda a 7/8″ a bore master (band #2), koma sichikwanira ma silinda a 1-1/8″ kapena 1-1/4″ a bore master (band #4 ndi #5). Kukula kwa chilimbikitso cha lori lolemera kuyenera kukhala 9-11″ diameter (chiŵerengero cha chilimbikitso 5-7:1) kuti chigwirizane ndi kukula kwa bore diameter yayikulu. OEM iyenera kufotokoza kukula kwa chilimbikitso pa kukula kwa bore diameter ndi GVWR, osati pa kukula kwa injini kapena malo a cab.
5. Zolakwa 5 Zimene Ma OEM a Magalimoto Amachita Akamayesa Silinda Yaikulu{}
| # | Cholakwika | Zotsatira zake | Kukonzanso |
|---|---|---|---|
| 1 | Kugwiritsa ntchito bore diameter ya chitsanzo chapitacho kuti mupeze GVWR yokwera | Bore locheperako silikugwira ntchito bwino pa mayeso a ECE R13-H cold/hot brake efficiency | Sinthani kukula kwa bore diameter pa SAE J1601 7-band matrix; yesaninso kachiwiri pa chilolezo chovomerezeka cha mtundu |
| 2 | Kugwiritsa ntchito silinda yayikulu yamagetsi imodzi pamwamba pa 3.5T GVWR | Kulephera kwa ECE R13-H §5.2.1 kufunikira kwa ma circuit awiri | Gwiritsani ntchito silinda ya tandem master ya mawiri awiri pa ECE R13-H §5.2.1 |
| 3 | Kukula kwa booster kosiyana ndi kukula kwa bore diameter | Kumva kofewa kwa pedal; mphamvu yokwera ya pedal ikufunika; madandaulo a dalaivala | Yerekezerani kukula kwa chilimbikitso ndi kukula kwa bore diameter (Chothandizira cha 7-9″ cha 7/8″ bore; Chothandizira cha 9-11″ cha 1″+ bore) |
| 4 | Kugwiritsa ntchito DOT 3 brake fluid pa ntchito zamagalimoto akuluakulu | Madzi a brake akuwira m'malo ovuta kwambiri (kuyendetsa galimoto m'mapiri, nyengo yotentha) | Gwiritsani ntchito mabuleki a DOT 4 (kapena DOT 5.1) pagalimoto yolemera; tsukani madzi pakatha zaka ziwiri zilizonse |
| 5 | Sitikunena za zisindikizo za EPDM zomwe zili ndi DOT 4 / DOT 5.1 | Kutseka kutupa kapena kufinya ndi madzi a DOT 4 / DOT 5.1; kulephera kwa kutseka | Tchulani zisindikizo za EPDM zomwe zikugwirizana bwino ndi DOT 3, DOT 4, ndi DOT 5.1 (Shaoxing Fangjie standard) |
Zolakwa zisanuzi zimachokera ku zaka zoposa 20 zomwe takumana nazo pa chithandizo cha makasitomala a OEM komanso kulephera kwa mayeso ovomerezeka a mtundu wa ECE R13-H komwe taona pa makasitomala athu a OEM. Cholakwika chofala kwambiri ndi #1 (pogwiritsa ntchito dayamita ya bore ya chitsanzo chakale), chomwe chinayambitsa kafukufuku wa OEM waku Turkey mu gawo 1. Zolakwa zisanuzi zonse zitha kupewedwa potsatira SAE J1601 7-band matrix ndi zofunikira 6 za tender mu gawo lotsatira.
6. Momwe Mungatchulire Diameter ya Master Cylinder Bore mu OEM Tender:Zofunikira 6
Mukasankha kukula kwa master cylinder bore diameter mu OEM truck production tender (ya kupanga mtundu watsopano wa truck kapena kusintha fleet pambuyo pa msika), phatikizani zofunikira 6 mu tender specification:
- Mafotokozedwe a gulu la GVWR— tchulani mtundu wa GVWR womwe mukufuna (monga, 7,200 kg, kapena 7,200-8,500 kg pa mtundu wa chitsanzo). Gulu la GVWR limazindikira kukula kwa bore diameter pa matrix ya SAE J1601 7-band.
- Mafotokozedwe a m'mimba mwake wa bore— tchulani kukula kwa bore diameter mu mainchesi kapena mm (mwachitsanzo, 7/8″ kapena 22.2 mm). Tchulani kulekerera (± 0.05 mm wamba) ndi kutha kwa pamwamba (Ra 0.4 μm wamba).
- Kutsatira malamulo a ECE R13-H— amafuna kuti wogulitsa apereke zikalata zovomerezeka za mtundu wa ECE R13-H kuphatikiza lipoti loyesa kuchokera ku bungwe lovomerezeka la EU. Lipotilo liyenera kufotokoza za §5.2.1.5 kubwezera kuwonongeka kwa mabuleki, §5.2.2.5 kugwira ntchito bwino kwa mabuleki ozizira, ndi §5.2.2.6 kugwira ntchito bwino kwa mabuleki otentha.
- Kasinthidwe ka magawo awiri— pa magalimoto opitilira 3.5T GVWR, tchulani silinda yayikulu ya tandem yokhala ndi ma diagonal split (kutsogolo-kumanzere + kumbuyo-kumanja pa circuit 1, kutsogolo-kumanja + kumbuyo-kumanzere pa circuit 2). Tchulani ma dayamita a pistoni oyambira ndi achiwiri (nthawi zambiri ma dayamita ofanana a tandem).
- Kugwirizana kwa seal ndi brake fluid— tchulani zisindikizo za EPDM zomwe zimagwirizana bwino ndi mabuleki a DOT 3, DOT 4, ndi DOT 5.1 pa SAE J1703 / FMVSS 116 / ISO 4925. Tchulani madzi odzaza fakitale (nthawi zambiri DOT 4 ya galimoto yolemera).
- Satifiketi ya dongosolo labwino— imafuna satifiketi ya ISO 9001:2015 kuchokera kwa wogulitsa, komanso kuwongolera kolembedwa kwa njira zopangira (nthawi zambiri CNC machining ya silinda bore + kusonkhanitsa zomatira zokha + kuyesa kuthamanga kwa chipangizo chosonkhanitsidwa).
Zofunikira 6 zitha kupezeka kuchokera ku mtundu uliwonse wa OEMsilinda yayikulu ya clutchkampani yopereka katundu yomwe ikukwaniritsa miyezo yovomerezeka ya mtundu wa magalimoto aku Europe. Shaoxing Fangjie Auto Accessory Co., Ltd. imapereka zofunikira zonse 6 mu yankho lathu lovomerezeka, ndi kutumiza mkati mwa masiku 10-15 pa mainchesi a bore dayamita (7/8″, 1″, 1-1/8″) ndi masiku 30-45 pa mainchesi a bore dayamita opangidwa mwamakonda.
7. Silinda ya Master ya Buku vs Dual-Circuit: Pamene Iliyonse Ikufunika pa ECE R13-H
Chisankho cha silinda yayikulu ya buku ndi ya magawo awiri chimatsimikiziridwa ndi lamulo la ECE R13-H §5.2.1: magalimoto onse opitilira 3.5T GVWR (magulu N2, N3, M2, M3) okhala ndi mabuleki a hydraulic ayenera kugwiritsa ntchito masilinda akuluakulu a magawo awiri. Chisankho pa gulu lililonse la magalimoto ndi:
| Gulu la Magalimoto | Mtundu wa GVWR | Mtundu wa Silinda Yaikulu | Maziko a ECE R13-H |
|---|---|---|---|
| Magalimoto okwera M1 (magalimoto okwera) | Pansi pa 3.5T | Ma Dual-circuit (ofunika kuyambira 1968) | ECE R13-H §5.2.1 |
| N1 (malonda opepuka) | Pansi pa 3.5T | Magawo awiri (ofunikira) | ECE R13-H §5.2.1 |
| M2 (mabasi ang'onoang'ono) | 3.5T-5T | Magawo awiri (ofunikira) | ECE R13-H §5.2.1 |
| N2 (magalimoto apakati) | 3.5T-12T | Magawo awiri (ofunikira) | ECE R13-H §5.2.1 |
| M3 (mabasi akuluakulu) | Pamwamba pa 5T | Magawo awiri (ofunikira) | ECE R13-H §5.2.1 |
| N3 (magalimoto olemera) | Pamwamba pa 12T | Magawo awiri (ofunikira) | ECE R13-H §5.2.1 |
Mwachizolowezi, silinda yayikulu ya single-circuit (yogwiritsidwa ntchito ndi manja) imakhala yakale kwambiri m'malole amakono ndi mabasi omwe ali pamwamba pa 3.5T GVWR. Silinda yayikulu ya single-circuit ikhoza kupezekabe mu: (1) mitundu yakale kwambiri yamalole (isanafike 1990) yomwe sinakonzedwenso, (2) magalimoto ena apadera oyenda m'misewu ikuluikulu (monga magalimoto amigodi, mathirakitala a doko) omwe amagwiritsa ntchito makina a hydraulic kapena pneumatic okha, (3) magalimoto ena ankhondo omwe amagwiritsa ntchito makina osiyana ogawanika kutsogolo. Pakupanga magalimoto onse a OEM pamwamba pa 3.5T GVWR mu 2026, silinda yayikulu ya dual-circuit tandem ndiyofunikira.
Kugawanika kolunjika (kutsogolo-kumanzere + kumbuyo-kumanja pa dera 1, kutsogolo-kumanja + kumbuyo-kumanzere pa dera 2) ndi kasinthidwe kodziwika bwino ka mabwalo awiri chifukwa kumapereka mabuleki olinganizidwa mbali zonse ziwiri za galimoto ngati dera lililonse lalephera. Kugawanika kolunjika kumbuyo (dera lakutsogolo + dera lakumbuyo) sikofala kwambiri m'magalimoto amakono chifukwa kumapereka mabuleki a 70-80% pamagudumu akutsogolo ngati dera lakumbuyo lalephera, koma mabuleki a 20-30% okha ngati dera lakutsogolo lalephera (popeza mphamvu zambiri za mabuleki zili pamagudumu akutsogolo). Kugawanika kolunjika ndi kakonzedwe komwe timapereka monga muyezo wa masilinda athu akuluakulu, koma tithanso kupereka makonzedwe ozungulira kutsogolo ngati makasitomala a OEM ali ndi zofunikira zinazake pakupanga.
8. Mafunso Ofunsidwa Kawirikawiri: Mafunso 6 Okhudza Kukula kwa Silinda ya Brake Master
Q1: Kodi silinda yayikulu ya truck light truck ya matani 7 iyenera kugwiritsa ntchito mainchesi angati?
Galimoto yopepuka ya matani 7 (GVWR 6,000-8,500 kg) iyenera kugwiritsa ntchito silinda yayikulu ya mainchesi 7/8 (22.2 mm) yozungulira motsatira malangizo a kukula kwa SAE J1601. Bore ya mainchesi 7/8 ndiyo muyezo wa magalimoto ang'onoang'ono ogulitsa ndipo imagwirizana ndi ma servo a vacuum a booster a mainchesi 7-9 komanso makina a hydraulic a single-circuit kapena dual-circuit. Bore ya mainchesi 7/8 imapereka malo a pistoni a 0.387 in² (250 mm²) omwe amapanga kuthamanga kwa mzere wa psi pafupifupi 1,000-1,200 (70-85 bar) pa mphamvu ya pedal ya 250-300 N yokhala ndi chilimbikitso cha mainchesi 7. Pa magalimoto a matani 7, bore ya mainchesi 7/8 imatsimikiziridwa ndi mayeso a ECE R13-H otsatira malamulo pogwiritsa ntchito mayeso ozizira komanso otentha a brake fade. Shaoxing Fangjie Auto Accessory Co., Ltd. imapereka ma silinda akuluakulu a mainchesi 7/8 okhala ndi aluminiyamu yopangidwa bwino kwambiri ya OEM ndi zisindikizo za EPDM zomwe zili ndi mabuleki a DOT 3, DOT 4, ndi DOT 5.1.
Q2: Kodi kusiyana pakati pa silinda ya brake master ya manual ndi ya dual-circuit ndi kotani?
Kusiyana pakati pa silinda ya brake master yamanja ndi ya dual-circuit ndi: (1) Silinda ya master yamanja (single-circuit) — ili ndi piston imodzi ndi hydraulic circuit imodzi; ngati circuit yalephera, mabuleki onse amatayika. Masilinda a single-circuit master nthawi zambiri amagwiritsidwa ntchito pamagalimoto opepuka omwe ali pansi pa 3.5T GVWR (magalimoto okwera, ma vans opepuka, magalimoto opepuka) ndipo nthawi zambiri amagwiritsidwa ntchito m'magalimoto amakono chifukwa cha malamulo achitetezo. (2) Silinda ya Dual-circuit (tandem) master — ili ndi ma piston awiri motsatizana ndi ma hydraulic circuits awiri odziyimira pawokha (nthawi zambiri amakhala ogawanika mopingasa: kutsogolo-kumanzere + kumbuyo-kumanja pa circuit 1, kutsogolo-kumanja + kumbuyo-kumanzere pa circuit 2). Ngati circuit imodzi yalephera, circuit inayo imaperekabe pafupifupi 50-60% ya mabuleki pamawilo otsalawo. Masilinda a dual-circuit master amafunikira ndi ECE R13-H §5.2.1 pamagalimoto onse omwe ali pamwamba pa 3.5T GVWR (N2, N3, M2, M3 magulu) komanso pamagalimoto onse omwe ali ndi mabuleki a hydraulic. (3) Pa ntchito za magalimoto a OEM pamwamba pa 3.5T GVWR, ma cylinders akuluakulu a dual-circuit ndi ofunikira. Kapangidwe ka diagonal split ndi komwe kamapezeka kwambiri, koma ma OEM ena amagwiritsa ntchito front-rear split (front circuit + rear circuit) komwe kumapereka 70-80% braking pamawilo akutsogolo ngati rear circuit yalephera, kapena mosemphanitsa.
Q3: Kodi ndingagwiritse ntchito silinda yayikulu ya bore master kuti ndipeze mphamvu yowonjezereka yoyendetsera mabuleki?
Ayi, simungagwiritse ntchito silinda yayikulu ya bore master kuti mupeze mphamvu yowonjezereka ya mabuleki chifukwa dongosolo la mabuleki ndi dongosolo lotsekedwa la hydraulic lomwe lili ndi kupanikizika kofanana. Ubale wake ndi uwu: Kupanikizika = Mphamvu ya Pedal / (Bore Area × Pedal Ratio × Booster Ratio). Silinda yayikulu ya bore master imafuna mphamvu yochulukirapo ya pedal kuti ipange kupanikizika kofanana chifukwa mphamvu yofanana ya pedal imagawidwa pamalo akuluakulu a piston. Makamaka, kuwirikiza kawiri kukula kwa bore kumachulukitsa malo a piston kanayi, zomwe zikutanthauza kuti mphamvu ya pedal iyenera kuchulukitsa kanayi kuti ipange kupanikizika komweko. Mwachitsanzo, kuchoka pa bore ya mainchesi 7/8 (dera la 0.60 in²) kupita ku bore ya mainchesi 1 (dera la 0.79 in²) kumafuna mphamvu yowonjezereka ya pedal 31% kuti ipange kupanikizika kofanana. Zotsatira zenizeni za bore yayikulu ndi izi: (1) kupanikizika kotsika kwa mphamvu yofanana ya pedal, (2) kusuntha kwamadzimadzi a mabuleki pa pedal stroke (zomwe zikutanthauza kusuntha kwa pedal kwakutali kwa kayendedwe ka caliper piston komweko), (3) kumva kofewa kwa pedal. Zotsatira zitatuzi nthawi zambiri sizili zoyenera pamagalimoto pomwe oyendetsa amayembekezera kumva kwa pedal kolimba komanso kuyankha mwachangu. Njira yolondola ndiyo kukula kwa bore molingana ndi GVWR pa SAE J1601, osati kukula kwambiri kwa bore.
Q4: Ndi madzi otani a brake omwe ndiyenera kugwiritsa ntchito ndi master cylinder yanga?
Mafotokozedwe a madzi a mabuleki a silinda yayikulu amadalira zinthu zotsekera ndi kutentha komwe zikugwiritsidwa ntchito. Mafotokozedwe atatu ofanana a madzi a mabuleki pa SAE J1703 / FMVSS 116 / ISO 4925 ndi awa: (1) DOT 3 (yochokera ku glycol-ether) — malo owiritsa ouma osachepera 205°C, malo owiritsa onyowa osachepera 140°C; yogwirizana ndi zisindikizo za EPDM ndi za rabara zachilengedwe; yoyenera magalimoto amalonda opepuka okhala ndi ntchito yoletsa mabuleki pang'ono, (2) DOT 4 (yochokera ku glycol-ether-borate) — malo owiritsa ouma osachepera 230°C, malo owiritsa onyowa osachepera 155°C; yogwirizana ndi zisindikizo za EPDM; yoyenera magalimoto amalonda olemera okhala ndi ntchito yoletsa mabuleki olemera kuphatikiza magalimoto okwera pamwamba pa 12T GVWR, (3) DOT 5.1 (yochokera ku glycol-ether-borate) — malo owiritsa ouma osachepera 260°C, malo owiritsa onyowa osachepera 180°C; yogwirizana ndi zisindikizo za EPDM; yoyenera kugwiritsa ntchito magalimoto othamanga komanso ovuta kuphatikiza magalimoto othamanga ndi magalimoto ankhondo. DOT 5 (yopangidwa ndi silicone) sigwirizana ndi madzi okhala ndi glycol ndipo siyenera kusakanikirana. Pa ma silinda a Shaoxing Fangjie master, zinthu zomangira zokhazikika ndi EPDM zomwe zimagwirizana ndi DOT 3, DOT 4, ndi DOT 5.1. Kudzaza kwa fakitale kwa OEM nthawi zambiri kumakhala DOT 4 pamagalimoto akuluakulu ogulitsa.
Q5: Kodi ndingathetse bwanji vuto la pedal yofewa ya brake mgalimoto?
Kuyendetsa mabuleki kofewa m'galimoto kungayambitsidwe ndiNkhani 7, yosankhidwa malinga ndi kuchuluka kwa mafupipafupi: (1) Mpweya mu dongosolo la mabuleki (wofala kwambiri) — kutulutsa madzi mu dongosolo la mabuleki motsatira njira ya OEM, nthawi zambiri kuyambira pa gudumu lakutali kwambiri ndi silinda yayikulu ndikugwira ntchito kufupi kwambiri, (2) Kulephera kwa chisindikizo chamkati cha silinda yayikulu — chisindikizo choyamba kapena chachiwiri cha chikho chimasweka kapena kuwonongeka, zomwe zimapangitsa kuti madzi azidutsa pisitoni; sinthani silinda yayikulu, (3) Kutuluka kwa madzi a mabuleki — yang'anani mizere yonse ya mabuleki, ma caliper, ma wheel cylinder, ndi thupi la silinda yayikulu kuti liwone ngati madzi akutuluka; konzani kapena kusintha momwe mukufunira, (4) Kukula kwa payipi ya mabuleki — ma payipi a rabara amawonongeka mkati ndipo amakula pansi pa kupanikizika, zomwe zimapangitsa kuti pedal ikhale yofewa; sinthani ma payipi a mabuleki (nthawi zambiri zaka 4-6 zilizonse kapena 200,000-300,000 km), (5) Kulephera kwa chilimbikitso — chilimbikitso cha vacuum sichikupereka mphamvu yokwanira, chomwe chimafuna mphamvu zambiri za pedal kuti apange kupanikizika komweko; yang'anani chingwe cha chilimbikitso cha vacuum, valavu yowunikira, ndi diaphragm yolimbikitsira; sinthani chilimbikitso ngati pakufunika, (6) Kulephera kwa chisindikizo cha piston ya Caliper — chisindikizo cha piston ya caliper chimasweka, zomwe zimapangitsa kuti madzi azidutsa; kumanganso kapena kusintha caliper, (7) Bore yolakwika ya silinda yayikulu - bore ndi yayikulu kwambiri kuposa GVWR, zomwe zimapangitsa kuti pedal ikhale yofewa chifukwa cha kupanikizika kochepa; onetsetsani kuti bore diameter yake ndi yotani malinga ndi malangizo a SAE J1601. Mavuto 7wa ayenera kuzindikirika motsatira ndondomeko yomwe yatchulidwa, ndipo omwe ndi ofala kwambiri komanso otsika mtengo (kutuluka magazi m'mpweya) ayenera kuthetsedwa kaye.
Q6: Kodi nthawi yosinthira silinda ya master silinda ya galimoto yamalonda ndi yotani?
Nthawi yosinthira silinda yayikulu ya galimoto yogulitsa ndi zaka 5-8 kapena makilomita 400,000-600,000, chilichonse chomwe chimabwera poyamba, malinga ndi momwe zinthu zilili. Nthawi yosinthira imatsimikiziridwa ndi zinthu zitatu: (1) Kuwonongeka kwa chisindikizo chamkati — chisindikizo chachikulu cha chikho ndi kutayika kwa chisindikizo chachiwiri cha chikho pang'onopang'ono ndi brake iliyonse; zinthu zosindikizira (nthawi zambiri EPDM) zimakhala ndi nthawi yotopetsa ya pafupifupiMabuleki okwana 2-3 miliyoni, zomwe zimagwirizana ndi zaka 5-8 za ntchito yanthawi zonse ya galimoto zamagalimoto zamagalimoto, (2) Kuipitsidwa kwa madzi a mabuleki — pakapita nthawi, madzi a mabuleki amayamwa chinyezi kuchokera mumlengalenga (madzi a DOT 3/4/5.1 ndi a hygroscopic), zomwe zimachepetsa kutentha ndikufulumizitsa dzimbiri lamkati; madzi a mabuleki ayenera kutsukidwa ndikusinthidwa zaka ziwiri zilizonse mosasamala kanthu za momwe silinda yayikulu ilili, (3) Kuwonongeka kwa silinda — chibowo cha aluminiyamu chimatha pang'onopang'ono chifukwa cha kuyenda kwa pistoni, makamaka ngati madzi a mabuleki aipitsidwa kapena ngati zisindikizo zalephera; kuwonongeka kwa chibowo choposa 0.05 mm (0.002 inchi) nthawi zambiri kumafuna kusinthidwa kwa silinda yayikulu. Shaoxing Fangjie Auto Accessory Co., Ltd. imapanga masilinda akuluakulu okhala ndi chibowo cholimba cha aluminiyamu (mankhwala opangidwa pamwamba pa anodized) ndi zisindikizo za EPDM zomwe zasankhidwa kuti zigwiritsidwe ntchito.Mabuleki okwana 2-3 miliyoniTikukulimbikitsani kuti magalimoto oyendetsa magalimoto oyenda m'malo ovuta kwambiri (mabuleki ambiri, mapiri, nyengo yotentha) asinthidwe ndi magalimoto opepuka m'malo ofooka, nthawi yosinthira ikhoza kukhala zaka 8 / 600,000 km.
Zokhudza Wolemba
Ine ndine Elian Zhou, Woyang'anira Kutumiza Zinthu ku Shaoxing Fangjie Auto Accessory Co., Ltd., kampani yopanga zida zamabuleki zamagalimoto yokhala ndi zaka zoposa 20 yogwira ntchito yopanga mabuleki a OEM kuyambira 2003. Ndimakhala ku Shaoxing, Zhejiang, ndipo ndimagwira ntchito tsiku ndi tsiku ndi antchito athu opitilira 100 komanso gulu lathu la anthu 10 ogulitsa kunja kuti ndipereke ma caliper a mabuleki, ma slack adjusters, ma solenoid valves, ndi ma brake chambers kwa ogulitsa aftermarket ku Europe, Southeast Asia, ndi Middle East. Nthawi zambiri ndimapita ku fakitale ndikugawana malingaliro amomwe mungapangire - kuyambira pa automatic slack adjuster assembly mpaka CNC machining of caliper housings - pa YouTube channel yanga:@ElianZhou-y6q4i.
Kuti mudziwe zambiri za OEM pa ma brake master cylinders kapena kuti mupemphe zikalata zovomerezeka za ECE R13-H za galimoto yanu ya GVWR, pitani ku tsamba lathu lasilinda yayikulu ya clutchtsamba la malonda. Lumikizanani nane paYouTubeMakanema opangira zinthu monga CNC machining of caliper housings ndi master silinda assembly.
Nthawi yotumizira: Ogasiti-14-2026